(19)
(11) EP 3 883 452 A1

(12)

(43) Date of publication:
29.09.2021 Bulletin 2021/39

(21) Application number: 18836290.9

(22) Date of filing: 20.11.2018
(51) International Patent Classification (IPC): 
A61B 3/028(2006.01)
G02B 7/02(2021.01)
 G02C 7/08(2006.01)
G02B 3/14(2006.01)
(52) Cooperative Patent Classification (CPC):
G02B 7/028; A61B 3/0285; G02C 7/083; G02B 3/14
(86) International application number:
PCT/IB2018/001446
(87) International publication number:
WO 2020/104826 (28.05.2020 Gazette 2020/22)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(71) Applicant: ESSILOR INTERNATIONAL
94220 Charenton-Le-Pont (FR)

(72) Inventors:
  • GRAND-CLEMENT, Didier
    94220 Charenton-Le-Pont (FR)
  • PINAULT, Philippe
    94220 Charenton-Le-Pont (FR)
  • SIDIQ DE LABRUSSE, Yonès
    31130 Toulouse (FR)

(74) Representative: Jacobacci Coralis Harle 
32, rue de l'Arcade
75008 Paris
75008 Paris (FR)

   


(54) PROCESS OF CORRECTION OF THE SHIFT DUE TO TEMPERATURE OF THE OPTICAL POWER OF AN ACTIVE LENS OF A PHOROPTER AND RELATED PHOROPTER AND OPTOMETRY SYSTEM